Author: Sina home

The problem of smog in China is highlighted. Its wide range, long duration, and great harm have once become the focus of hot discussions in the world. In fact, not only China, but also foreign countries have troubles about air quality.

 

Smog is an unbearable weight for residents in major cities in the country, and the serious smoke problem has made London, UK, the title of "Fog City"; the per capita car ownership in the United States is high, and many of them are large-displacement cars, making car exhaust become the United States The most serious air pollution; and in Japan, a quarter of the people have nightmares about "pollen". Various substances suspended in the air make invisible threats ubiquitous, which also triggers a series of respiratory and cardiovascular diseases, and even greatly improves the incidence of cancer. Paying attention to your living environment is quite important.

 

The air quality problem has become a widespread phenomenon in all countries of the world, especially for indoor air. How do countries deal with this air battle?

Multiple purification measures in the United States

 

There are many specific measures to prevent air pollution in the United States. In 1891, the United States passed the Forest Protection Law. For more than 100 years, the United States has vigorously planted trees and forests, strictly restricting felling; in addition, strict automobile exhaust standards have been formulated. In 1960, California took the lead in enacting legislation to control automobile emissions. Over the past 50 years, the United States has continuously strengthened and improved automobile emission standards. The current standards are one of the most stringent exhaust emission regulations in the world. For example, for the standards of heavy-duty vehicle diesel engines, the emission limits of nitrogen oxides and particulate matter are almost zero, which is much stricter than European standards; the United States began to attach importance to the health hazards of smoking in the mid-1960s. The Tobacco Labeling and Advertising Act, the Public Health Tobacco Smoking Act of 1970, was signed into law by President Nixon.

 

British wearable air purifier

 

In order to deal with the problem of bad air environment, a team in the United Kingdom played a new trick on wearable devices and launched the so-called world's first wearable air purifier. The magic is that the built-in ion generator module generates negative ions to neutralize the charged yard in the air, so that users can purify the surrounding air after wearing it for 10 seconds, including harmful pollutants such as bacteria, viruses, allergens, etc. . Indoors can purify a radius of 20m, and outdoors can purify a radius of 8m.

 

Japanese micro-environment optimizer air conditioner

 

Although Japan's air quality is notoriously good, most Japanese people with cleanliness still strive for air quality. Whether it is pollen flying outdoors in spring or various harmful substances indoors, Japanese people do their best to get rid of it quickly. . To this end, Japanese companies have also developed a series of cutting-edge technologies and products that can greatly improve the air quality of homes.